100 Best Synonyms for “Controversial”

No.	Item	Definition
1.	acrimonious	Bitterly disputed or argued.
2.	adversarial	Involving opposition or conflict.
3.	alleged	Claimed but not proven.
4.	ambiguous	Open to more than one interpretation.
5.	ambivalent	Mixed or uncertain in meaning.
6.	arguable	Open to argument or doubt.
7.	at issue	Being disputed or debated.
8.	beyond the pale	Outside accepted limits.
9.	borderline	Only barely acceptable or valid.
10.	challenged	Called into question or dispute.
11.	charged	Full of strong emotion or tension.
12.	combative	Likely to invite conflict.
13.	conflictual	Marked by disagreement or conflict.
14.	confrontational	Likely to create direct conflict.
15.	contentious	Likely to cause strong disagreement.
16.	contestable	Able to be challenged or disputed.
17.	contested	Argued over or not settled.
18.	debatable	Open to debate or dispute.
19.	debated	Discussed with opposing views.
20.	delicate	Needing careful handling to avoid offense.
21.	dicey	Risky, uncertain, or sensitive.
22.	disagreed-on	Not agreed upon by all.
23.	disputable	Capable of being disputed.
24.	disputed	Open to disagreement or challenge.
25.	divisive	Causing sharp disagreement between groups.
26.	doubtful	Not certain or fully accepted.
27.	dubious	Doubtful or questionable.
28.	emotionally charged	Arousing strong feelings and dispute.
29.	equivocal	Unclear and open to doubt.
30.	experimental	Unproven and open to criticism.
31.	explosive	Likely to cause intense reaction.
32.	extreme	Far outside usual accepted views.
33.	flammable	Likely to ignite strong conflict.
34.	fraught	Full of difficulty or tension.
35.	fringe	Outside mainstream acceptance.
36.	gray-area	Not clearly acceptable or settled.
37.	heated	Full of intense disagreement.
38.	heretical	Contrary to accepted beliefs.
39.	heterodox	Not conforming to accepted doctrine.
40.	highly charged	Emotionally tense and disputable.
41.	hot-button	Likely to provoke strong opinions.
42.	hot-potato	Too sensitive or risky to handle.
43.	hotly debated	Strongly argued over by many.
44.	iffy	Informally doubtful or questionable.
45.	improper	Not considered suitable or acceptable.
46.	in dispute	Currently being argued over.
47.	in question	Doubtful or being challenged.
48.	inappropriate	Unsuitable and likely to draw criticism.
49.	incendiary	Likely to inflame opinion.
50.	indelicate	Insensitive or likely to offend.
51.	inflammatory	Likely to provoke anger or conflict.
52.	knotty	Complicated and hard to resolve.
53.	loaded	Carrying sensitive or disputed implications.
54.	marginal	Outside mainstream support or acceptance.
55.	moot	Open to debate or uncertainty.
56.	murky	Unclear, doubtful, or disputed.
57.	neuralgic	Painfully sensitive and controversial.
58.	objectionable	Likely to draw objections.
59.	offensive	Likely to offend many people.
60.	open to debate	Not settled and debatable.
61.	open to dispute	Able to be challenged.
62.	open to question	Not certain or universally accepted.
63.	ostensible	Apparent but possibly doubtful.
64.	ostensibly valid	Seemingly valid but questionable.
65.	polarizing	Dividing people into opposing sides.
66.	polemical	Strongly argumentative and controversial.
67.	politically charged	Politically sensitive and divisive.
68.	problematic	Raising problems, doubts, or objections.
69.	provocative	Likely to provoke strong reactions.
70.	provoking	Causing strong or angry reactions.
71.	purported	Claimed but uncertain in truth.
72.	putative	Commonly supposed but uncertain.
73.	questionable	Doubtful or open to challenge.
74.	radical	Far from accepted or moderate views.
75.	raw	Emotionally sensitive and unsettled.
76.	scandalous	Causing public shock or outrage.
77.	sensitive	Likely to cause offense or tension.
78.	shaky	Weak, doubtful, or questionable.
79.	sore	Sensitive and likely to upset.
80.	speculative	Based on guesswork, not certainty.
81.	subject to debate	Likely to be debated.
82.	subject to dispute	Able to be disputed.
83.	suspect	Doubtful or questionable in validity.
84.	taboo	Socially forbidden or sensitive.
85.	theoretical	Possible but not proven.
86.	thorny	Difficult and likely to cause dispute.
87.	touchy	Likely to upset or offend.
88.	troublesome	Causing difficulty, concern, or dispute.
89.	uncertain	Not definitely known or accepted.
90.	undecided	Not yet settled or determined.
91.	under contention	Still argued over by people.
92.	under debate	Currently being debated.
93.	under dispute	Being questioned or contested.
94.	unpopular	Not widely liked or accepted.
95.	unresolved	Not settled or finally decided.
96.	unsettled	Not decided or agreed upon.
97.	up for debate	Still subject to disagreement.
98.	vague	Unclear and open to question.
99.	vexed	Much debated and difficult.
100.	volatile	Likely to produce sudden conflict.